On the May 4 broadcast the Top 5 performed two songs from "now and then," and Lusk, 23, from Compton, CA, sang "No Air" and "Love Hurts."
On May 11 at 8 PM ET, the Top 4 finalists – Lauren Alaina, James Durbin, Scotty McCreery and Haley Reinhart – will perform the songs of American songwriting and producing duo Jerry Leiber and Mike Stoller.
On the May 12 results show, which also begins at 8 PM, TV watchers can expect a performance by Season Six "Idol" winner Jordin Sparks, who made her Broadway debut in In the Heights, as well as the debut of a new video by singer and "Idol" judge Steven Tyler.
Among the many "American Idol" finalists and/or winners who have appeared on Broadway are Fantasia, Justin Guarini, Jordin Sparks, Diana DeGarmo, Ace Young, Tamyra Gray, Constantine Maroulis, Frenchie Davis, Clay Aiken and Taylor Hicks.
For more information about "American Idol," visit www.americanidol.com.